FIRST INTERNATIONAL COMPUTER, INC. ================================== 486-PVT (REV. B1) Processor CX486SX/80486SX/SL80486SX/AM486DX/AM486DXSL/80486DX/CX486DX/ CX486DXV/CX486DX2/CX486DX2VAM486DX2/AM486DX2SL/80486DX2/ 80486DX4/P24CT/P24D/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set VIA Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS Award Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (2), green PC connector Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |----------------+----------+---------------------+----------| | Daughter board | CN6 | Speaker | J8 | | connector | | | | |----------------+----------+---------------------+----------| | Green PC LED | J3 | Power LED & keylock | J9 | |----------------+----------+---------------------+----------| | Green PC | J4 | Green PC connector | J10 | | connector | | | | |----------------+----------+---------------------+----------| | Turbo LED | J5 | Chassis fan power | J11 | |----------------+----------+---------------------+----------| | Turbo switch | J6 | 32-bit VESA local | SL1 & | | | | bus slots | SL2 | |----------------+----------+---------------------+----------| | Reset switch | J7 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| | | AMD CPU speed select 2x | J2 | Closed | |---+----------------------------------+--------+------------| | | AMD CPU speed select 3x | J2 | Open | |---+----------------------------------+--------+------------| | | AMD CPU type select DX2 | J12 | Open | |---+----------------------------------+--------+------------| | | AMD CPU type select DX4 | J12 | Closed | |---+----------------------------------+--------+------------| | | CMOS memory normal operation | JCP | Open | |---+----------------------------------+--------+------------| | | CMOS memory clear | JCP | Closed | |---+----------------------------------+--------+------------| | | Monitor type select | JP1 | Open | | | monochrome/EGA/VGA | | | |---+----------------------------------+--------+------------| | | Monitor type select color | JP1 | Closed | |---+----------------------------------+--------+------------| | | Factory configured - do not | JP2 | N/A | | | alter | | | |---+----------------------------------+--------+------------| | | CPU type select all CPU types | JP3 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CPU type select Cyrix CPU only | JP3 | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (1) 256K x | NONE | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 1MB | NONE | (1) 256K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 1MB | NONE | NONE | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | NONE | NONE | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | NONE | (1) 256K x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 2MB | NONE | NONE | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 2MB | NONE | (1) 256K x | (1) 256K x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 3MB | NONE | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | NONE | (1) 256K x | (1) 256K x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 4MB | NONE | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 4MB | NONE | NONE | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 1M x 36 | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | NONE | (1) 1M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 5MB | (1) 1M x 36 | NONE | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 5MB | NONE | (1) 256K x | (1) 1M x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 5MB | NONE | (1) 1M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 6MB | (1) 256K x | (1) 256K x | (1) 1M x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 6MB | (1) 256K x | (1) 1M x 36 | (1) 256K x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 6MB | NONE | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 6MB | (1) 1M x 36 | NONE | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 7MB | (1) 256K x | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | NONE | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 8MB | NONE | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 8MB | NONE | NONE | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 9MB | (1) 1M x 36 | (1) 256K x | (1) 1M x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 9MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 9MB | NONE | (1) 256K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 9MB | (1) 256K x | NONE | (1) 1M x | (1) 1M x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 12MB | NONE | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | NONE | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 13MB | (1) 1M x 36 | (1) 256K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | NONE | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 16MB | NONE | NONE | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 17MB | (1) 256K x | NONE | (1) 4M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 17MB | NONE | (1) 256K x | (1) 4M x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 17MB | NONE | (1) 4M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 18MB | (1) 256K x | (1) 256K x | (1) 4M x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 18MB | (1) 256K x | (1) 4M x 36 | (1) 256K x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 18MB | NONE | (1) 4M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 19MB | (1) 256K x | (1) 4M x 36 | (1) 256K x | (1) 256K x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | NONE | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 20MB | NONE | (1) 1M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 20MB | NONE | (1) 4M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 21MB | (1) 256K x | (1) 1M x 36 | (1) 4M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 21MB | (1) 256K x | (1) 4M x 36 | (1) 1M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 21MB | (1) 1M x 36 | (1) 256K x | (1) 4M x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 21MB | (1) 1M x 36 | (1) 4M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 22MB | (1) 1M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | NONE | (1) 4M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 25MB | (1) 256K x | (1) 4M x 36 | (1) 1M x | (1) 1M x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 28MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | NONE | NONE | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | (1) 8M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | NONE | (1) 8M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | NONE | (1) 4M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 33MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 33MB | NONE | (1) 256K x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 33MB | (1) 256K x | NONE | (1) 4M x | (1) 4M x | | | 36 | | 36 | 36 | |-------+-------------+------------+------------+------------| | 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 36MB | NONE | (1) 1M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | NONE | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |-------+-------------+------------+------------+------------| | 37MB | (1) 256K x | (1) 1M x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 37MB | (1) 1M x 36 | (1) 256K x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 48MB | NONE | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 49MB | (1) 256K x | (1) 4M x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | NONE | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 65MB | (1) 256K x | (1) 8M x | (1) 8M x | NONE | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 66MB | (1) 256K x | (1) 256K x | (1) 8M x | (1) 8M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 66MB | (1) 256K x | (1) 8M x | (1) 256K x | (1) 8M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 66MB | (1) 8M x 36 | (1) 8M x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 68MB | NONE | (1) 1M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 68MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 69MB | (1) 256K x | (1) 8M x | (1) 1M x | (1) 8M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 69MB | (1) 1M x 36 | (1) 256K x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 69MB | (1) 1M x 36 | (1) 8M x | (1) 256K x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 8M x | (1) 1M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 72MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 80MB | (1) 8M x 36 | (1) 4M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 80MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 81MB | (1) 256K x | (1) 4M x | (1) 8M x | (1) 8M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 81MB | (1) 256K x | (1) 8M x | (1) 4M x | (1) 8M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 84MB | (1) 1M x 36 | (1) 4M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 84MB | (1) 1M x 36 | (1) 8M x | (1) 4M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 97MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 256K x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------+-------------------+---------------------------| | 128KB | (4) 32K x 8 | (1) 8K x 8 or (1) 32K x 8 | |------------+-------------------+---------------------------| | 256KB | (4) 64K x 8 | (1) 32K x 8 | |------------+-------------------+---------------------------| | 512KB | (4) 128K x 8 | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | |------------------+--------------------+--------------------| | 128KB | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 256KB | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 512KB | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC1 | JC2 | JC3 | JC4 | JC5 | |-------------+---------+---------+---------+--------+-------| | CX486SX | 2 & 3 | 2 & 3 | 1 & 2 | Open | 2 & 3 | |-------------+---------+---------+---------+--------+-------| | 80486SX | 2 & 3 | 2 & 3 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | SL80486SX | 2 & 3 | 2 & 3 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | AM486DX | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | AM486DXSL | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | 80486DX | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | CX486DX | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | CX486DXV | 1 & 2 | 1 & 2 | 1 & 2 | Open | 2 & 3 | |-------------+---------+---------+---------+--------+-------| | CX486DX2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | CX486DX2V | 1 & 2 | 1 & 2 | 1 & 2 | Open | 2 & 3 | |-------------+---------+---------+---------+--------+-------| | AM486DX2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | AM486DX2SL | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | 80486DX2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | 80486DX4 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | P24CT | 1 & 2 | 1 & 2 | 1 & 2 | Closed | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | P24D | 1 & 2 | 1 & 2 | 1 & 2 | Closed | 1 & 2 | |-------------+---------+---------+---------+--------+-------| | P24T | 1 & 2 | 1 & 2 | 1 & 2 | Closed | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | RN16 | RN17 | RN18 | RN19 | |------------+-----------+-----------+-----------+-----------| | CX486SX | Installed | Not | Not | Not | | | | installed | installed | installed | |------------+-----------+-----------+-----------+-----------| | 80486SX | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | SL80486SX | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | AM486DX | Not | Not | Installed | Not | | | installed | installed | | installed | |------------+-----------+-----------+-----------+-----------| | CX486DX | Installed | Not | Not | Not | | | | installed | installed | installed | |------------+-----------+-----------+-----------+-----------| | CX486DXV | Installed | Not | Not | Not | | | | installed | installed | installed | |------------+-----------+-----------+-----------+-----------| | 80486DX | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | SL80486DX | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | AM486DX2 | Not | Not | Installed | Not | | | installed | installed | | installed | |------------+-----------+-----------+-----------+-----------| | CX486DX2 | Installed | Not | Not | Not | | | | installed | installed | installed | |------------+-----------+-----------+-----------+-----------| | CX486DX2V | Installed | Not | Not | Not | | | | installed | installed | installed | |------------+-----------+-----------+-----------+-----------| | 80486DX2 | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | SL80486DX2 | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | 80486DX4 | Not | Not | Not | Installed | | | installed | installed | installed | | |------------+-----------+-----------+-----------+-----------| | AM486DX4 | Not | Not | Installed | Not | | | installed | installed | | installed | |------------+-----------+-----------+-----------+-----------| | P24D | Not | Installed | Not | Installed | | | installed | | installed | | |------------+-----------+-----------+-----------+-----------| | Pentium | Not | Installed | Not | Installed | | Overdrive | installed | | installed | | |------------------------------------------------------------| | Note: The locations of RN16 - RN19 are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JK1 | JK2 | JK3 | JK4 | |---------+------------+------------+------------+-----------| | 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & | | | closed | closed | closed | 3 closed | |---------+------------+------------+------------+-----------| | 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 75iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 100iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & | | | closed | closed | closed | 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JCV1 | JCV2 | |------------------+--------------------+--------------------| | 3v | pins 1 & 2 closed | Open | |------------------+--------------------+--------------------| | 3.3v | pins 2 & 3 closed | Open | |------------------+--------------------+--------------------| | 3.45v | Open | Open | |------------------+--------------------+--------------------| | 3.6v | Open | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 4v | Open | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JV1 | |----------------------------+-------------------------------| | 0 wait states | pins 2 & 3 closed | |----------------------------+-------------------------------| | 1 wait state | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JV2 | |----------------------------+-------------------------------| | <= 33MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | > 33MHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DAUGHTER BOARD CONFIGURATION | |------------------------------------------------------------| | Setting | CN6 | |---------------+--------------------------------------------| | Not installed | pins 1 & 2, 3 & 4, 13 & 14, 15 & 16 closed | |---------------+--------------------------------------------| | Installed | Closed | +------------------------------------------------------------+